What is Leah Marie Arellano's NPI number?

Leah Marie Arellano's National Provider Identifier (NPI) is 1750560587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leah Marie Arellano's specialty?

Leah Marie Arellano is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Leah Marie Arellano located?

Leah Marie Arellano's practice location on file with NPPES is 744 Empire St Ste 160, Fairfield, CA 94533-5562.

What is Leah Marie Arellano's phone number?

The practice phone number listed in the NPPES registry for Leah Marie Arellano is (707) 399-9413.

Is Leah Marie Arellano's NPI active?

Yes — Leah Marie Arellano's NPI (1750560587) is active in the NPPES registry as of the last update on 2021-08-23.

IndividualActive

Leah Marie Arellano

NPI 1750560587 · Behavior Analyst · Fairfield, CA

Leah Marie Arellano is a Behavior Analyst provider in Fairfield, CA (NPI 1750560587).

Provider details

NPI number: 1750560587
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers
Case Manager/Care Coordinator171M00000X
Other Service Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
5 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

744 Empire St Ste 160

Fairfield, CA 94533-5562

Phone: (707) 399-9413

Street-level locationGet directions

More CA providers

Mailing address

2730 Shadelands Dr Bldg 10

Walnut Creek, CA 94598-2538

Additional practice locations (4)

2080 Addison St Ste 3
Berkeley, CA 94704-1693
Phone: (415) 989-5000
39201 State St
Fremont, CA 94538-1437
Phone: (925) 503-7035
795 Folsom St
San Francisco, CA 94107-1243
Phone: (408) 425-1595
2001 the Alameda
San Jose, CA 95126-1136
Phone: (408) 261-7777
Fax: (408) 254-9960

Enumerated: 2007-10-29
Last updated: 2021-08-23
Certified: 2021-08-23

Frequently asked questions

What is Leah Marie Arellano's NPI number?: Leah Marie Arellano's National Provider Identifier (NPI) is 1750560587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Leah Marie Arellano's specialty?: Leah Marie Arellano is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
Where is Leah Marie Arellano located?: Leah Marie Arellano's practice location on file with NPPES is 744 Empire St Ste 160, Fairfield, CA 94533-5562.
What is Leah Marie Arellano's phone number?: The practice phone number listed in the NPPES registry for Leah Marie Arellano is (707) 399-9413.
Is Leah Marie Arellano's NPI active?: Yes — Leah Marie Arellano's NPI (1750560587) is active in the NPPES registry as of the last update on 2021-08-23.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.